81910703

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 100342800

約数和(自身を除く): 18432097

約数列:

[1, 7, 29, 49, 59, 203, 413, 977, 1421, 1711, 2891, 6839, 11977, 28333, 47873, 57643, 83839, 198331, 403501, 1388317, 1671647, 2824507, 11701529, 81910703]

約数ペア:

[(1, 81910703), (7, 11701529), (29, 2824507), (49, 1671647), (59, 1388317), (203, 403501), (413, 198331), (977, 83839), (1421, 57643), (1711, 47873), (2891, 28333), (6839, 11977)]